OBD Guide

P01DC

Cylinder 9 Injection Timing Performance - Over Advanced

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Engine knock
  • Increased fuel consumption
  • Reduced engine power
  • Unstable idling

Causes

  • Malfunction of the fuel injector of cylinder 9
  • Problems with sensors (mass air flow sensor, crankshaft position sensor)
  • Problems in the injector control circuit
  • Timing chain wear
  • VVT system malfunction

How to Fix

  1. Check the condition of the fuel injector of cylinder 9
  2. Diagnose sensors (mass air flow sensor, crankshaft position sensor)
  3. Check the wiring harness to the injector
  4. Check the condition of the timing chain
  5. Diagnose the VVT system

Related codes

Error P01DC by Vehicle Brand